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Rhenium
Rhenium

Dubnium
Dubnium



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Rhenium vs Dubnium

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1 Periodic Table
1.1 Symbol
Re
Db
1.2 Group Number
75
Gadolinium
0 17
1.4 Period Number
67
Lithium
2 7
1.6 Block
d block
d block
1.7 Element Family
Transition Metal
Transition Metal
1.8 CAS Number
744015553850354
Aluminium
7429905 54386242
1.11 Space Group Name
P63/mmc
Not Available
1.12 Space Group Number
194.00NA
Plutonium
11 229
2 Facts
2.1 Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  • IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.
  • In the production of Dubnium, thermal gradient chromatography is used.
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Produced by Bombarding Am243 with Ne22, Synthetically Produced
2.3 History
2.3.1 Who Discovered
Masataka Ogawa
Joint Institute for Nuclear Research
2.3.2 Discovery
In 1908
In 1968
2.4 Abundance
2.4.1 Abundance In Universe
2 * 10-8 %NA
Thallium
5E-09 0.11
2.4.2 Abundance In Sun
~0.00000001 %~-9999 %
Beryllium
1E-08 0.1
3.1.2 Abundance In Meteorites
0.00 %NA
Gold
1.7E-07 22
3.1.3 Abundance In Earth's Crust
0.00 %NA
Radium
9.9E-12 8.1
3.1.5 Abundance In Oceans
0.00 %NA
Protactinium
2E-23 1.1
3.1.6 Abundance In Humans
NANA
Radium
1E-13 1.4
4 Uses
4.1 Uses & Benefits
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  • Currently known uses of Dubnium metal are limited to research purpose only.
4.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
NA
NA
4.1.3 Other Uses
Alloys
Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
Low Toxic
Unknown
4.3.1 Present in Human Body
4.3.2 In Blood
NA0.00 Blood/mg dm-3
Plutonium
0 1970
4.4.2 In Bone
NA0.00 p.p.m.
Plutonium
0 170000
5 Physical
5.1 Melting Point
3,180.00 °CNA
Francium
27 3410
5.3 Boiling Point
5,627.00 °CNA
Flerovium
147 5660
5.4 Appearance
5.4.1 Physical State
Solid
Solid
5.4.2 Color
Silvery Gray
Unknown
5.4.3 Luster
Metallic
Unknown Luster
5.5 Hardness
5.5.1 Mohs Hardness
7.00NA
Cesium
0.2 8.5
5.5.3 Brinell Hardness
1,320.00 MPaNA
Cesium
0.14 3490
5.5.5 Vickers Hardness
1,350.00 MPaNA
Palladium
121 3430
5.6 Speed of Sound
4,700.00 m/sNA
Thallium
818 16200
5.8 Optical Properties
5.8.1 Refractive Index
NANA
Mercury
1.000933 1.7229
6.1.2 Reflectivity
NANA
Molybdenum
58 97
6.2 Allotropes
6.2.2 α Allotropes
Not Available
Not Available
6.2.3 β Allotropes
Not Available
Not Available
6.2.4 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
Re
Db
7.2 Isotopes
7.2.1 Known Isotopes
3310
Tennessine
0 38
7.3 Electronegativity
7.3.1 Pauling Electronegativity
1.90NA
Francium
0.7 2.54
7.4.3 Sanderson Electronegativity
NANA
Cesium
0.22 2.56
7.4.4 Allred Rochow Electronegativity
1.46NA
Cesium
0.86 1.82
7.4.6 Mulliken-Jaffe Electronegativity
NANA
Cesium
0.62 2.48
7.4.8 Allen Electronegativity
1.60NA
Cesium
0.659 2.7
7.5 Electropositivity
7.5.1 Pauling Electropositivity
2.10NA
Gold
1.46 3.3
8.2 Ionization Energies
8.2.1 1st Energy Level
760.00 kJ/mol664.80 kJ/mol
Cesium
375.7 26130
8.3.1 2nd Energy Level
1,260.00 kJ/mol1,546.70 kJ/mol
Ruthenium
710.2162 28750
8.3.2 3rd Energy Level
2,510.00 kJ/mol2,378.40 kJ/mol
Osmium
1600 34230
8.4.1 4th Energy Level
3,640.00 kJ/mol3,298.80 kJ/mol
Thorium
2780 37066
8.5.1 5th Energy Level
NA4,305.20 kJ/mol
Tin
4305.2 97510
8.5.2 6th Energy Level
NANA
Seaborgium
5715.8 105800
8.6.1 7th Energy level
NANA
Bohrium
7226.8 114300
8.7.2 8th Energy Level
NANA
Hassium
8857.4 125300
8.7.3 9th Energy Level
NANA
Yttrium
14110 134700
8.7.5 10th Energy Level
NANA
Strontium
17100 144300
8.7.6 11th Energy Level
NANA
Yttrium
19900 169988
8.7.8 12th Energy Level
NANA
Molybdenum
22219 189368
8.8.1 13th Energy Level
NANA
Molybdenum
26930 76015
8.8.2 14th Energy Level
NANA
Molybdenum
29196 86450
8.8.3 15th Energy Level
NANA
Manganese
41987 97510
8.8.4 16th Energy Level
NANA
Iron
47206 109480
8.8.5 17th Energy Level
NANA
Cobalt
52737 122200
8.8.6 18th Energy Level
NANA
Nickel
58570 134810
8.8.7 19th Energy Level
NANA
Copper
64702 148700
8.8.8 20th Energy Level
NANA
Molybdenum
80400 171200
8.8.9 21st Energy Level
NANA
Molybdenum
87000 179100
8.8.10 22nd Energy Level
NANA
Molybdenum
93400 184900
8.8.11 23rd Energy Level
NANA
Molybdenum
98420 198800
8.8.12 24th Energy Level
NANA
Molybdenum
104400 195200
8.8.13 25th Energy Level
NANA
Molybdenum
121900 121900
8.8.14 26th Energy Level
NANA
Molybdenum
127700 127700
8.8.15 27th Energy Level
NANA
Molybdenum
133800 133800
8.8.16 28th Energy Level
NANA
Molybdenum
139800 139800
8.8.17 29th Energy Level
NANA
Molybdenum
148100 148100
8.8.18 30th Energy Level
NANA
Molybdenum
154500 154500
8.9 Electrochemical Equivalent
0.99 g/amp-hrNA
Beryllium
0.16812 8.3209
8.10 Electron Work Function
4.96 eVNA
Cesium
2.14 5.65
8.11 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
9 Atomic
9.1 Atomic Number
75105
Lithium
3 117
9.2 Electron Configuration
[Xe] 4f14 5d5 6s2
[Rn] 5f14 6d3 7s2
9.3 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
75105
Lithium
3 117
9.4.2 Number of Neutrons
111157
Lithium
4 184
9.4.3 Number of Electrons
75105
Lithium
3 117
9.5 Radius of an Atom
9.5.1 Atomic Radius
137.00 pm139.00 pm
Beryllium
112 265
9.5.2 Covalent Radius
151.00 pm149.00 pm
Beryllium
96 260
9.5.3 Van der Waals Radius
200.00 pmNA
Zinc
139 348
9.6 Atomic Weight
186.21 amu268.00 amu
Lithium
6.94 294
9.7 Atomic Volume
8.85 cm3/molNA
Manganese
1.39 71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
180.00 (-eV)NA
Francium
8 392.42
9.10 Lattice Constant
276.10 pmNA
Beryllium
228.58 891.25
9.11 Lattice Angles
π/2, π/2, 2 π/3
NA
9.12 Lattice C/A Ratio
1.62NA
Beryllium
1.567 1.886
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
21.02 g/cm329.30 g/cm3
Lithium
0.534 40.7
10.1.2 Density When Liquid (at m.p.)
18.90 g/cm3NA
Lithium
0.512 20
10.2 Tensile Strength
1,070.00 MPaNA
Indium
2.5 11000
10.3 Viscosity
NANA
Mercury
0.001526 0.001526
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
NANA
Cerium
2.47E-11 121
10.4.2 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten
2.62E-10 774
10.5 Elasticity properties
10.5.1 Shear Modulus
178.00 GPaNA
Potassium
1.3 222
10.5.2 Bulk Modulus
370.00 GPaNA
Cesium
1.6 462
10.5.3 Young's Modulus
463.00 GPaNA
Cesium
1.7 528
10.6 Poisson Ratio
0.30NA
Beryllium
0.032 0.47
10.7 Other Mechanical Properties
Ductile, Malleable
Unknown
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
21.02NA
Lithium
0.53 4500
11.1.2 Magnetic Ordering
Paramagnetic
Unknown
11.1.3 Permeability
NANA
Bismuth
1.25643E-06 0.0063
11.1.4 Susceptibility
NANA
Bismuth
-0.000166 200000
11.2 Electrical Properties
11.2.1 Electrical Property
Conductor
Unknown
11.2.2 Resistivity
193.00 nΩ·mNA
Thallium
0.18 961
11.2.3 Electrical Conductivity
0.05 106/cm ΩNA
Plutonium
0.00666 0.63
11.2.4 Electron Affinity
14.50 kJ/molNA
Mercury
0 222.8
12 Thermal
12.1 Specific Heat
0.13 J/(kg K)NA
Americium
0.11 3.6
12.2 Molar Heat Capacity
25.48 J/mol·KNA
Beryllium
16.443 62.7
12.3 Thermal Conductivity
48.00 W/m·KNA
Neptunium
6.3 429
12.4 Critical Temperature
NANA
Ytterbium
26.3 3223
12.5 Thermal Expansion
6.20 µm/(m·K)NA
Tungsten
4.5 97
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
707.10 kJ/molNA
Zinc
7.32 799.1
12.6.2 Enthalpy of Fusion
33.05 kJ/molNA
Cesium
2.1 35.23
12.6.3 Enthalpy of Atomization
791.00 kJ/molNA
Mercury
61.5 837
12.7 Standard Molar Entropy
36.90 J/mol.KNA
Beryllium
9.5 198.1